City planners who want to know where to put such services as schools and playgrounds need data about which of the following? region
racelethnicity
gender
marital status

the answers is b.   environments.

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

the main concern with the first draft of the articles of confederation was too much power in the state governments.